Key points of photography in snowy days

First, the snow scene shooting in the snowy world

1. Frame and composition

When it snows, scattered light is formed because the snowflakes flying all over the sky block the sunlight, which weakens the contrast of the ground objects and reduces the visibility. So the scene should not be too big and the subject should not be too far away. Generally, it is appropriate to shoot in the middle and close range, and the subject should be selected within the distance where the level of detail can be seen clearly. Try to use foreground in composition to improve the contrast of the picture and enrich the color. If shooting flying snowflakes, try to choose a dark background to set off white snowflakes. 2. Control the shutter speed

In order to show the motion, we should choose the shutter priority mode and set the shutter speed at about 1/30 seconds. If the shutter speed is too fast, snowflakes will form white spots and lack movement; Too slow will form messy white lines and destroy the aesthetic feeling of the picture. The shutter speed depends on the speed at which the snow falls. My experience is:115 seconds is appropriate when the snow falls freely without wind; When there is wind, you should stand in the crosswind and shoot at 1/30 seconds; When the wind is strong, you can 1/60 seconds. Be careful not to shoot in the downwind or headwind, especially not in the headwind. Once a snowflake covers the lens, it will be terrible, and the pre-conceived effect will definitely be lost. Maybe you will shoot a foggy work by mistake. )

Stand in the crosswind to shoot, and cover the camera with your body or objects. When shooting, the white snowflakes on the picture are not only full of movement, but also have a sense of rhythm because of the same direction, thus enriching the connotation of the picture.

3. Photometry and exposure

Although the snowflake is white, it will not produce strong reflection because there is no direct light. Taking the subject as the target when shooting, normal metering and exposure are enough. 4. Improve image contrast

Snowy days are similar to the rainy and foggy weather environment, and the contrast of the scenery is weak. At this time, it is particularly important to improve the contrast of the picture. Our common method is to use foreground and add filters such as polarizer and medium yellow mirror. There is an unusual way to shoot snowflakes with artificial light. Street lamps, car lights, hand-held U2 lights and flashlights can all be used to illuminate the foreground snowflakes. It is best to use car lights, and the irradiation direction and angle can be adjusted as needed. When pursuing special effects, you can add colored transparent polyester paper in front of the light (determine the color as needed).

Second, the snow scene shooting in the sun

If the works shot in the snow are pure and quiet, then the works shot in the sun after the snow can be said to be fresh and gorgeous. 1. Frame and composition

When the visibility is good, try to shoot the middle and distant view of the snow scene, and it is best to have a bigger scene to show the beautiful scenery of the environment. Pay attention to "blank space" when composing music, thus increasing the charm of snow. The so-called "blank space" means that the fewer elements in the picture, the better, the fewer points and lines in the picture, the larger the surface, and try to take high-profile photos. 2. Depth of field and aperture

Control the depth of field and try to use the best aperture. Landscape photos showing the environment generally have a good clear range. Try to use a small aperture to ensure a certain depth of field. The range of depth of field is not only the clear range before and after the subject, but also the clear degree of the whole picture around the subject. Therefore, I often shoot with F8-F 16 aperture, and never use the minimum aperture. (Minimum aperture is not optimal)

3. Photometry and exposure

The reflection of snow in the sun is very strong, sometimes 2 ~ 3 times higher than that in the sky, which is in great contrast with objects without snow cover. At this time, the brightness of snow cannot be used to measure the light, which will lead to underexposure of the dark part of the scene and affect the performance of the hierarchical texture of the scene. At this time, I usually use partial metering mode to measure the light in the gray part of the picture (such as the dark part with reflection in the snow). If your camera doesn't have partial metering mode, you can use average metering mode to measure light at the telephoto end and shoot at the short focal end. If you don't even have a telephoto, you can point the camera at the back of your left hand with your right hand to measure light. By using the photometric method, direct exposure can be performed according to the photometric index. If the average metering mode is used, the exposure rule of "white plus black minus" should be used to perform average metering exposure according to the picture. Usually, on the basis of photometric reading, slow down the shutter speed or open the aperture one step, so that the photos taken will be rich in layers and radiant. 4. Light and exposure characteristics requirements

Generally, there is no need to smooth the snow scene, which will affect the texture of snow. In the case of direct light on sunny days, it is better to measure with photometry and backlight. In this way, the light can form shadows between the cracks in the snow, thus showing the crystal clear texture of snowflakes. In order to pursue high-profile or traditional Chinese painting effect, it is best to shoot in the case of cloudy light scattering. Its advantage is that there are no messy shadows, which will reduce dotted lines and black fields and make the picture more pure and elegant. The exposure characteristics mentioned here refer to the imaging substance used by photographers. If you shoot in black and white or color negative, you can increase the exposure of 1 ~ 2 on the photometric index, which is the so-called "something is better than nothing"; If you use color reversal film or digital memory card, you don't need to increase exposure on the basis of photometric reading. This is called "rather short than much", which is the need of imaging material characteristics. Only by meeting the requirements of the characteristics of photosensitive materials can we achieve accurate exposure and shoot excellent works.